document.write( "Question 677371: Maria left the starting line at 8:30 a.m. and drove at an average rate of 40 mi/h. What time did she arrive at Checkpoint 1? (the entire route from the start line to the finish line is a 24 mile circle) \n" ); document.write( "
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Maria left the starting line at 8:30 a.m. and drove at an average rate of 40 mi/h. What time did she arrive at Checkpoint 1? (the entire route from the start line to the finish line is a 24 mile circle)
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\n" ); document.write( "time = distance/rate = 24/40 = 3/5 hr = (3/5)(60 min) = 36 minutes
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\n" ); document.write( "Arrival time = 8:30 + 36 min = 9:06 AM
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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